. >>> and the most affordable cities to live in the united states. is yours one of them? >>> good morning. i'm lynn berry. after the third debate between president obama and republican nominee mitt romney, there are just 14 days left before american voters choose their next president. according to a cbs news instant polls on uncommitted voters, president obama was a clear 2-1 victor with 53% saying he won. governor romney got 23%. 24% called it a tie. a cnn orc international poll called the debate closer, with 48% saying obama won while 40% picked obama. for more we go to nbc's steve handlesman who's in florida for us. steve, good morning. >> reporter: hi, lynn. thanks. good morning from boca raton, florida. the debate here last night was clearly the most combative so far. though surprising to some, not on the issue of libya. mitt romney was able to make his larger point, his claim that america is weaker now overseas than it was four years ago. mitt romney and barack obama came to their third and final debate tied in national polls, but their tv audience seemed sure to be